How to choose that which technique is best? This is the wrong question!
Each technique is good in its own way in finding out the certain kind of defect, and not as good for finding out the other kind of defects. For example, one of the benefits of structure-based techniques is that they can find out the defects or things in the code that aren’t supposed to be there, such as ‘Trojan horses’ or other malicious code.

However, if there are parts of the specification that are missing from the code, only specification-based techniques will find that, structure-based techniques can only test what is there. [Read more…] about How to choose that which testing technique is best?